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FR2270597B1 - - Google Patents

Info

Publication number
FR2270597B1
FR2270597B1 FR7514139A FR7514139A FR2270597B1 FR 2270597 B1 FR2270597 B1 FR 2270597B1 FR 7514139 A FR7514139 A FR 7514139A FR 7514139 A FR7514139 A FR 7514139A FR 2270597 B1 FR2270597 B1 FR 2270597B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7514139A
Other languages
French (fr)
Other versions
FR2270597A1 (da
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2270597A1 publication Critical patent/FR2270597A1/fr
Application granted granted Critical
Publication of FR2270597B1 publication Critical patent/FR2270597B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
    • G01S1/46—Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon, e.g. cardioid system
    • G01S1/50—Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon, e.g. cardioid system wherein the phase angle of the direction-dependent envelope signal is compared with a non-direction-dependent reference signal, e.g. VOR

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transmitters (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Amplifiers (AREA)
FR7514139A 1974-05-07 1975-05-06 Expired FR2270597B1 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7406082A NL7406082A (nl) 1974-05-07 1974-05-07 Zendinrichting van een radiografisch navigatie- systeem.

Publications (2)

Publication Number Publication Date
FR2270597A1 FR2270597A1 (da) 1975-12-05
FR2270597B1 true FR2270597B1 (da) 1979-08-24

Family

ID=19821310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7514139A Expired FR2270597B1 (da) 1974-05-07 1975-05-06

Country Status (9)

Country Link
US (1) US3979751A (da)
JP (1) JPS5413354B2 (da)
AR (1) AR207978A1 (da)
BR (1) BR7502744A (da)
CA (1) CA1043452A (da)
DE (1) DE2518127C3 (da)
FR (1) FR2270597B1 (da)
GB (1) GB1485547A (da)
NL (1) NL7406082A (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371091A1 (fr) * 1976-10-29 1978-06-09 Thomson Csf Dispositif d'asservissement en phase d'une onde porteuse et des bandes laterales engendrees par un emetteur, notamment par un emetteur de radionavigation, et emetteur de radionavigation comportant un tel dispositif
US4186399A (en) * 1978-10-27 1980-01-29 General Signal Corporation Goniometer circuit for VOR system
JPS56123564A (en) * 1980-03-05 1981-09-28 Fuji Xerox Co Ltd Original illumination device for electronic copy machine
IT1141947B (it) * 1980-04-29 1986-10-08 Face Standard Ind Dispositivo per controllo automatico di modulazione ad impulsi
DE3029169C2 (de) * 1980-08-01 1982-06-09 Standard Elektrik Lorenz Ag, 7000 Stuttgart Sendeeinrichtung für ein Navigationssystem
FR2522160B1 (fr) * 1982-02-19 1985-08-30 Thomson Csf Systeme d'emission pour station de radionavigation du type vor conventionnel
FR2526248B1 (fr) * 1982-04-30 1985-06-21 Thomson Csf Dispositif de generation du signal 30 hz de reference d'un emetteur du type vor conventionnel
FR2527782B1 (fr) * 1982-05-28 1985-11-08 Thomson Csf Dispositif de stabilisation de la phase haute frequence d'un emetteur du type vor conventionnel
US4959586A (en) * 1988-05-24 1990-09-25 U.S. Philips Corporation Electric incandescent lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328798A (en) * 1965-05-07 1967-06-27 Wilcox Electric Company Inc Double bridge network for producing signals having a modulation envelope phase difference
US3534366A (en) * 1967-10-31 1970-10-13 Entwicklungsring Sued Gmbh Method and apparatus for producing an omnidirectional radio signal

Also Published As

Publication number Publication date
DE2518127A1 (de) 1975-11-27
JPS5413354B2 (da) 1979-05-30
NL7406082A (nl) 1975-11-11
BR7502744A (pt) 1976-03-16
FR2270597A1 (da) 1975-12-05
JPS50151494A (da) 1975-12-05
US3979751A (en) 1976-09-07
DE2518127B2 (de) 1980-02-28
AR207978A1 (es) 1976-11-22
DE2518127C3 (de) 1980-10-30
CA1043452A (en) 1978-11-28
GB1485547A (en) 1977-09-14

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Legal Events

Date Code Title Description
ST Notification of lapse